Term
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Definition
| 1-7 attach directyl to sternum via costal cartilage |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| internal surface along inferior border of rib; protects nerves and blood vessels that travel along the rib |
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Term
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Definition
| short, broad, flat no angle 1 facet, 2 grooves |
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Term
| What ribs attach directly to the sternum? |
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Definition
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Term
| How many intercostal spaces are there? |
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Definition
| 11. The first one is below 2 and above 3 |
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Term
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Definition
| thoracic inlet at the toop of the rib cage. |
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Term
| What are the boundaries for the inferior aperture |
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Definition
| T12 vertebral body; 11, 12 ribs; costal cartilage #7-10; Xiphisternal junction. |
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Term
| What structure closes the inferior aperture? |
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Definition
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Term
| What structures pass through the inerior aperture? |
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Definition
| Inferior vena cava; aorta; esophagus; nerves; |
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Term
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Definition
| superior aperture nerves and blood vessels entering base of neck and upper limb. possible compression occurs at base of neck; costoclavicular space; or subcoracoid. symptoms are felt in the upper limb. |
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Term
| T/F. Costovertebral joint is synovial joint |
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Definition
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Term
| What are the two motions that occur at the costotansverse joints? |
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Definition
| Pump handle & bucket handle |
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Term
| Which costotransverse joints are convex/concave? |
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Definition
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Term
| What kind of movement do costochondral joints have? |
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Definition
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Term
| What binds to costochondral joints? |
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Definition
| periostium and perichondrium |
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Term
| T/F Interchondral joints are synovial? |
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Definition
| True. Interchondral joints between 6-9 are synovial |
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Term
| External Intercostals fiber orientation |
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Definition
| runs inferiorly and anteriorly; continuous with ipsilat. abdominal external oblique m. |
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Term
| External intercostal action |
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Definition
| elevate ribs during forced inspiration. |
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Term
| Internal Intercostal fiber orientatio |
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Definition
| nrun at right angles to ext. intercostals in an inferior posterior direction. |
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Term
| Internal Intercostal action |
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Definition
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Term
| T/F Internal intercostals are "perfectly continuous" with Internal obliques. |
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Definition
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Term
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Definition
| most inner layer of internal intercostal muscles. |
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Term
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Definition
| internal surface of lower thoracic wall. attach to internal angle of rib; fibers run inferior and posterior to insert 1-2 ribs below. blends with innermost intercostals |
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Term
| Transversus Thoracis attachment and location |
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Definition
| Internal thoracic wall gehind sternum and xipoid process to which they attach. |
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Term
| Transversus Thoracis fiber orientation |
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Definition
| fibers run superiorly to attach to posterior surface of costal cartilage #2-6 |
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Term
| Transversus Thoracis Function |
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Definition
| weak depression of costal cartilage during expiration; possible proprioceptive function too. |
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Term
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Definition
| sternum, lower ribs, upper lumbar vet., Psoas major, and quadratus lumborum fascia TO central tendon. |
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Term
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Definition
| Contraction will depress diaphragm which increases the length of the thoracic cavity. |
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Term
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Definition
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Term
| Dorsal Rami of Thoracic Wall |
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Definition
| supply skin, muscles, joints of the thoracic back area. |
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Term
| Ventral Rami of the thoracic wall |
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Definition
| ventral rami T1-11 form intercostal nerves; T12 subcostal nerve; supply skin, muscles, joints of the thoracic wall. |
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Term
| T/F There is no plexus for the thoracic region. |
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Definition
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Term
| What is the arrangment of intercostal blood vessels and nerves? |
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Definition
| Vein, Artery, Nerve -> top to bottom |
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